<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <style>
      body {
        background-color: orange;
      }
    </style>
    <title>Document</title>
  </head>
  <body>
    <h2>默认页面</h2>
    <script>
      console.log('翻滚吧牛宝宝')
    </script>
  </body>
</html>
